LH 1691 then BA 949 at Munich
Prague → Munich → London Heathrow
Timetable, Munich time
14:40LH 1691 from Prague at the gate
14:15BA 949 to London Heathrow leaves the gate
23 h 35 apart on the timetable, overnight
BA 949 leaves 23 h 35 after LH 1691 arrives on the timetable: more than half a day, so not a connection we count.